Ludhiana (Punjab), Nov 27 (ANI): Fire broke out at a factory in Ludhiana, late night on Sunday. 12 fire engines rushed to the spot to douse the fire. The Fire Department got reports of fire in a hosiery factory, however, upon reaching the spot, firefighters observed that there were chemicals stored in the factory which caused problem to bring the fire under control. The real cause of fire remains unknown and investigation is underway. Earlier this week, a massive fire broke in a polymer factory in the same city, took several lives due to presence of chemicals storage stocks in the factory.